import 'package:flutter/material.dart';

void main() => runApp(App());

class App extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBar(
        centerTitle: true,
        title: Text('Materilal App Bar'),
      ),
      body: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: <Widget>[
          Container(
            margin: EdgeInsets.all(32.0),
            child: Text('12343'),
          ),
          Container(
            margin: EdgeInsets.all(32.0),
            child: SelectableText(
              'Hello',
              strutStyle: StrutStyle(fontSize: 32.0),
              cursorColor: Colors.red,
              cursorRadius: Radius.circular(32.0),
            ),
          ),
        ],
      ),
    );
  }
}
